RU2014138424A - METHOD AND DEVICE FOR MANUFACTURING AN OPTIMIZED BOTTOM CIRCUIT AT THE PREPARATION - Google Patents

METHOD AND DEVICE FOR MANUFACTURING AN OPTIMIZED BOTTOM CIRCUIT AT THE PREPARATION Download PDF

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RU2014138424A
RU2014138424A RU2014138424A RU2014138424A RU2014138424A RU 2014138424 A RU2014138424 A RU 2014138424A RU 2014138424 A RU2014138424 A RU 2014138424A RU 2014138424 A RU2014138424 A RU 2014138424A RU 2014138424 A RU2014138424 A RU 2014138424A
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workpiece
cooling
calibration
dome
axial part
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RU2014138424A
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RU2627858C2 (en
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Махир АКТАС
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Махир АКТАС
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00—Making preforms
    • B29B11/06—Making preforms by moulding the material
    • B29B11/08—Injection moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00—Making preforms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
    • B29C45/0055—Shaping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/7207—Heating or cooling of the moulded articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/06—Injection blow-moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/071—Preforms or parisons characterised by their configuration, e.g. geometry, dimensions or physical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/64—Heating or cooling preforms, parisons or blown articles
    • B29C49/6409—Thermal conditioning of preforms
    • B29C49/6427—Cooling of preforms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/7207—Heating or cooling of the moulded articles
    • B29C2045/7214—Preform carriers for cooling preforms
    • B29C2045/725—Cooling circuits within the preform carriers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C2049/023—Combined blow-moulding and manufacture of the preform or the parison using inherent heat of the preform, i.e. 1 step blow moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/072—Preforms or parisons characterised by their configuration having variable wall thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/076—Preforms or parisons characterised by their configuration characterised by the shape
    • B29C2949/0768—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
    • B29C2949/078—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the bottom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/079—Auxiliary parts or inserts
    • B29C2949/08—Preforms made of several individual parts, e.g. by welding or gluing parts together
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/4242—Means for deforming the parison prior to the blowing operation
    • B29C49/42421—Means for deforming the parison prior to the blowing operation before laying into the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D22/00—Producing hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25—Solid
    • B29K2105/253—Preform
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7158—Bottles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Geometry (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

1. Способ изготовления заготовки с оптимизированной геометрией дна, при этом готовая заготовка из, по меньшей мере, одного литого под давлением термопластичного материала имеет существенно более тонкую толщину стенки в зоне донного купола, чем в осевой части заготовки, при этом толщина стенки заготовки при переходе от литника к осевой части заготовки постепенно выравнивается, при этом заготовка предусмотрена для преобразования в отформованный раздувом контейнер, отличающийся тем, что формующий инструмент после отверждения наружной поверхности заготовки после первого интенсивного охлаждения открывают, заготовку вынимают из открытого формовочного инструмента посредством захвата для извлечения и охлаждающих стаканов указанного захвата, охлаждающие стаканы посредством контактного охлаждения охлаждают перед процессом калибровки осевую часть заготовки, но не купол заготовки, при этом пластически еще деформируемый купол заготовки механически деформируют воспроизводимым образом калибровочным элементом, соответственно, в зависимости от геометрии охлаждающего стакана, причем контур охлаждающего стакана и калибровочного элемента выполнен таким образом, что эти контуры после процесса формования отображаются в значительной степени воспроизводимым образом на извлеченной из формы заготовке, при этом купола заготовок после процесса калибровки охлаждают посредством стеночного контактирования охлаждающих стаканов.2. Способ по п. 1, отличающийся тем, что контактное охлаждение охлаждающего стакана упрочняет осевую часть заготовки, в то время как купол заготовки из-за недостающего контактного охлаждения подверже1. A method of manufacturing a workpiece with optimized bottom geometry, wherein the finished workpiece from at least one thermoplastic material injection molded has a substantially thinner wall thickness in the bottom dome area than in the axial part of the workpiece, with the workpiece wall thickness in transition from the gate to the axial part of the workpiece is gradually leveled, while the workpiece is provided for conversion into a blow-molded container, characterized in that the forming tool after curing the outer surface The surface of the workpiece after the first intensive cooling is opened, the workpiece is removed from the open molding tool by means of a gripper for extraction and cooling cups of the specified grip, the cooling cups by contact cooling cool the axial part of the workpiece, but not the dome of the workpiece, before the calibration, while the dome of the workpiece is still plastically deformable mechanically deformed in a reproducible manner by a calibration element, respectively, depending on the geometry of the cooling stack and, wherein the cup and the cooling circuit of the calibration element is configured such that the contours of the molding process after displaying largely reproducible manner on demolding the preform, the dome workpieces after the calibration process is cooled by the cooling of the wall contacting stakanov.2. The method according to claim 1, characterized in that the contact cooling of the cooling cup strengthens the axial part of the workpiece, while the dome of the workpiece due to the lack of contact cooling is more exposed

Claims (20)

1. Способ изготовления заготовки с оптимизированной геометрией дна, при этом готовая заготовка из, по меньшей мере, одного литого под давлением термопластичного материала имеет существенно более тонкую толщину стенки в зоне донного купола, чем в осевой части заготовки, при этом толщина стенки заготовки при переходе от литника к осевой части заготовки постепенно выравнивается, при этом заготовка предусмотрена для преобразования в отформованный раздувом контейнер, отличающийся тем, что формующий инструмент после отверждения наружной поверхности заготовки после первого интенсивного охлаждения открывают, заготовку вынимают из открытого формовочного инструмента посредством захвата для извлечения и охлаждающих стаканов указанного захвата, охлаждающие стаканы посредством контактного охлаждения охлаждают перед процессом калибровки осевую часть заготовки, но не купол заготовки, при этом пластически еще деформируемый купол заготовки механически деформируют воспроизводимым образом калибровочным элементом, соответственно, в зависимости от геометрии охлаждающего стакана, причем контур охлаждающего стакана и калибровочного элемента выполнен таким образом, что эти контуры после процесса формования отображаются в значительной степени воспроизводимым образом на извлеченной из формы заготовке, при этом купола заготовок после процесса калибровки охлаждают посредством стеночного контактирования охлаждающих стаканов.1. A method of manufacturing a workpiece with optimized bottom geometry, wherein the finished workpiece from at least one thermoplastic material injection molded has a substantially thinner wall thickness in the bottom dome area than in the axial part of the workpiece, with the workpiece wall thickness in transition from the gate to the axial part of the workpiece is gradually leveled, while the workpiece is provided for conversion into a blow-molded container, characterized in that the forming tool after curing the outer surface The surface of the workpiece after the first intensive cooling is opened, the workpiece is removed from the open molding tool by means of a gripper for extraction and cooling cups of the specified grip, the cooling cups by contact cooling cool the axial part of the workpiece, but not the dome of the workpiece, before the calibration, while the dome of the workpiece is still plastically deformable mechanically deformed in a reproducible manner by a calibration element, respectively, depending on the geometry of the cooling stack and, wherein the cup and the cooling circuit of the calibration element is configured such that the contours of the molding process after displaying largely reproducible manner on demolding the preform, the dome workpieces after the calibration process is cooled by the cooling of the wall contacting the cup. 2. Способ по п. 1, отличающийся тем, что контактное охлаждение охлаждающего стакана упрочняет осевую часть заготовки, в то время как купол заготовки из-за недостающего контактного охлаждения подвержен повторному размягчению.2. The method according to p. 1, characterized in that the contact cooling of the cooling cup strengthens the axial part of the workpiece, while the dome of the workpiece is subject to repeated softening due to the lack of contact cooling. 3. Способ по п. 2, отличающийся тем, что в куполе заготовки установлена температура в диапазоне между 90° и 150°.3. The method according to p. 2, characterized in that in the dome of the workpiece is set to a temperature in the range between 90 ° and 150 °. 4. Способ по п. 1, отличающийся тем, что геометрически определенный калибровочный дорн с вентилирующим отверстием в комбинации с геометрически определенным контуром дна формует пластический материал вытягиванием, сжатием и проталкиванием пластической массы до тех пор, пока объем между обоими контурами почти или полностью не заполнен пластмассой и таким образом не ограничивает шаг калибровки.4. The method according to p. 1, characterized in that a geometrically defined calibration mandrel with a vent hole in combination with a geometrically defined bottom contour forms a plastic material by pulling, compressing and pushing the plastic mass until the volume between both circuits is almost or completely filled plastic and thus does not limit the calibration step. 5. Способ по п. 1, отличающийся тем, что во время операции калибровки заготовка аксиально опирается на опорное кольцо и/или в зоне купола внутри нового донного контура посредством круглого кольца сферической формы.5. The method according to p. 1, characterized in that during the calibration operation, the workpiece axially rests on the support ring and / or in the dome zone inside the new bottom contour by means of a round ring of spherical shape. 6. Способ по п. 1, отличающийся тем, что время операции калибровки свободно определяется в каждой части процесса.6. The method according to p. 1, characterized in that the time of the calibration operation is freely determined in each part of the process. 7. Способ по п. 1, отличающийся тем, что усилие калибровки механическими или пневматическим пружинами индивидуально устанавливается для каждой заготовки.7. The method according to p. 1, characterized in that the calibration force by mechanical or pneumatic springs is individually set for each workpiece. 8. Способ по п. 1, отличающийся тем, что калибровочные элементы регулируют в отношении заданного температурного режима или охлаждают.8. The method according to p. 1, characterized in that the calibration elements are regulated in relation to a given temperature regime or cooled. 9. Способ по п. 1, отличающийся тем, что охлаждающий стакан и/или калибровочный элемент деформируют дно для специальных требований к формам бутылки.9. The method according to p. 1, characterized in that the cooling cup and / or calibration element deform the bottom for special requirements for the shape of the bottle. 10. Способ по п. 1, отличающийся тем, что перед проведением операции калибровки предусмотрено время выдержки от 1 до 20 с.10. The method according to p. 1, characterized in that before the calibration operation provides a holding time of from 1 to 20 s. 11. Устройство для изготовления заготовки с геометрией купола, оптимизированной для процесса раздува для изготовления контейнера, при этом готовая заготовка имеет на литниковой точке существенно утоненную толщину стенки, в области осевой части, причем дальнейшая толщина стенки в куполе, начиная от литниковой точки, постепенно приближается к толщине стенки осевой части заготовки, отличающееся тем, что формовочный инструмент с одной или несколькими полостями отвечает за первое формообразование геометрических конфигураций заготовки, устройство литья под давлением пластифицирует синтетическое сырье, чтобы эту пластическую массу поместить под давлением в полости закрытого формовочного инструмента, захват для извлечения заготовок, снабженный одной или более полостью охлаждающих стаканов, и внутренняя геометрия охлаждающих стаканов обеспечивает осевой части заготовки, но не донной зоне заготовки, или лишь частично донной зоне заготовки, контактное охлаждение, дорны с подпружиненными или установленными радиально плавающими калибровочными элементами аксиально погружаются в открытые заготовки так, что благодаря специально рассчитанной геометрии охлаждающего стакана и калибровочного элемента, а также за счет осевого движения калибровочного элемента в зоне купола заготовки образуется полость, которая предпочтительно описывает форму готовой заготовки.11. A device for the manufacture of a workpiece with a dome geometry optimized for the blowing process for manufacturing a container, while the finished workpiece has a substantially thinned wall thickness at the gating point, in the axial region, with the further wall thickness in the dome starting from the gating point gradually approaching to the wall thickness of the axial part of the workpiece, characterized in that the molding tool with one or more cavities is responsible for the first shaping of the geometric configurations of the workpiece, set the injection molding plasticizes plastic raw materials in order to place this plastic mass under pressure in the cavity of the closed molding tool, a grip for removing the workpieces provided with one or more cavity of the cooling cups, and the internal geometry of the cooling cups provides the axial part of the workpiece, but not the bottom zone of the workpiece, or only partially in the bottom zone of the workpiece, contact cooling, mandrels with spring loaded or mounted radially floating calibration elements of axial immersion are placed in open workpieces so that, thanks to the specially calculated geometry of the cooling cup and the calibration element, as well as due to the axial movement of the calibration element, a cavity is formed in the dome area of the workpiece, which preferably describes the shape of the finished workpiece. 12. Устройство по п. 11, отличающееся тем, что калибровочный элемент изготовлен из упругого (например, силикон) или жесткого (например, тефлон) и теплопроводящего материала.12. The device according to claim 11, characterized in that the calibration element is made of elastic (eg, silicone) or rigid (eg, Teflon) and heat-conducting material. 13. Устройство по п. 11, отличающееся тем, что калибровочный элемент охлаждается или регулируется в отношении заданного температурного режима.13. The device according to p. 11, characterized in that the calibration element is cooled or adjusted in relation to a given temperature. 14. Устройство по п. 11, отличающееся тем, что охлаждающие стаканы имеют жидкостное охлаждение.14. The device according to p. 11, characterized in that the cooling glasses have liquid cooling. 15. Устройство по п. 11, отличающееся тем, что калибровочный элемент установлен аксиально подпружиненным, причем усилия пружины определяются индивидуально.15. The device according to p. 11, characterized in that the calibration element is axially spring loaded, and the spring forces are determined individually. 16. Устройство по п. 11, отличающееся тем, что калибровочный элемент установлен радиально плавающим.16. The device according to p. 11, characterized in that the calibration element is installed radially floating. 17. Устройство по п. 11, отличающееся тем, что каждый калибровочный дорн снабжен индивидуальным осевым приводом с возможностью выбора длины шага и усилий.17. The device according to p. 11, characterized in that each calibration mandrel is equipped with an individual axial drive with the ability to select the step length and effort. 18. Устройство по п. 11, отличающееся тем, что охлаждающий стакан в донной зоне и/или калибровочный элемент за счет шероховатости или ребер дополнительно увеличивают поверхность купола заготовки.18. The device according to p. 11, characterized in that the cooling cup in the bottom zone and / or the calibration element due to the roughness or ribs further increase the surface of the dome of the workpiece. 19. Устройство по п. 11, отличающееся тем, что охлаждающий стакан в донной зоне и/или калибровочный элемент имеют геометрические формы, которые поддерживают раздув специальных формуемых донных зон.19. The device according to p. 11, characterized in that the cooling cup in the bottom zone and / or the calibration element have geometric shapes that support the blowing of special molded bottom zones. 20. Устройство по п. 11, отличающееся тем, что калибровочный дорн 18 имеет, по меньшей мере, одно вентиляционное отверстие 25. 20. The device according to p. 11, characterized in that the calibration mandrel 18 has at least one ventilation hole 25.
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